Title:
CORROSION PROTECTION PRETREATMENT AGENT, TREATING METHOD USING THE SAME AND ARTICLE THEREOF
Document Type and Number:
WIPO Patent Application WO/2024/011503
Kind Code:
A1
Abstract:
A corrosion protection pretreatment agent,comprising a solvent, at least one inorganic inhibitor, at least one silane compound, and a bi-functional epoxy resin precursor (C), the bi-functional epoxy resin precursor (C) being represented by the formulas of R 1-Y- [CH 2-CH (OH) -R 3-CH (OH) -CH 2-X-R 4-X] n-R 2. A method for treating metallic surface by using the corrosion protection pretreatment agent and an article having at least one portion that comprises side treated surface by the corrosion protection pretreatment agent. The article demonstrates improved corrosion resistance, adhesion properties and impact resistance.
Inventors:
WU XIAOMENG (CN)
ZHU YAKUN (CN)
ZHANG XILIN (CN)
ZHANG YI (CN)
ZHU YAKUN (CN)
ZHANG XILIN (CN)
ZHANG YI (CN)
Application Number:
PCT/CN2022/105722
Publication Date:
January 18, 2024
Filing Date:
July 14, 2022
Export Citation:
Assignee:
HENKEL AG & CO KGAA (DE)
HENKEL CHINA CO LTD (CN)
HENKEL CHINA CO LTD (CN)
International Classes:
C09D5/08; C09D163/00; C23C28/00
Domestic Patent References:
| WO2009106646A1 | 2009-09-03 |
Foreign References:
| JP2010156020A | 2010-07-15 | |||
| EP0687715A2 | 1995-12-20 | |||
| US20130225726A1 | 2013-08-29 | |||
| JPH0192275A | 1989-04-11 | |||
| JP2005325427A | 2005-11-24 | |||
| US20120083551A1 | 2012-04-05 | |||
| JP2007246868A | 2007-09-27 | |||
| CN101292003A | 2008-10-22 |
Attorney, Agent or Firm:
NTD PATENT & TRADEMARK AGENCY LTD. (CN)
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